DISTINCTIVE CHARACTERISTICS OF MAN. 



53 



is an indication that in him the senses are subordinate to the intelligence. 

 Accordingly \ve find that while he is surpassed by many of the lower aui- 



Fic. 10. 



Brain of Man. [The same lettering applies to all the four figures.] 



1, 2, 3, Frontal convolutions. 4,5, 6, A and B, Parietal convolutions. 7, 8, 9, Temporo- 

 spheuoidal convolutions. 10, 11, 12, Occipital convolutions. A is the supramarginal 

 lobule; B is the postero-parietal lobule; and on the bridging or annectent convolutions; 

 E, fissure of Rolando; E, parieto-occipital fissure. 



mals in acuteness of sensibility to light, sound, etc., he stands pre-eminent 

 in the power of comparing and judging of his sensations, and of thence 

 drawing conclusions as to their objective sources. Moreover, although none 

 of his senses are very acute in his natural state, they are all moderately so; 



FIG. 11. 



Brain of Orang (Simla). Left side. 



and they are capable of being wonderfully improved by practice, when cir- 

 cumstances strongly call for their exercise. This seems especially the case 

 with the tactile sense, of which Man can make greater use than any other 

 animal, in consequence of the entire freedom of his anterior extremities; 

 although there are many which surpass him in their power of appreciating 

 certain classes of tactile impressions. So, again, Man's nervo-muscular 

 power is inferior to that of most other animals of his size: the full-grown 



